Bump google.golang.org/grpc from 1.43.0 to 1.44.0 in /example/otel-co…

…llector (#2565)

* Bump google.golang.org/grpc in /example/otel-collector

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.43.0 to 1.44.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.43.0...v1.44.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Auto-fix go.sum changes in dependent modules

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: MrAlias <MrAlias@users.noreply.github.com>